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anastassius [24]
3 years ago
15

Administrators surveyed students enrolled in a new school in order to choose the school mascot. there are 480 students enrolled

in the school. what is the proportion needed to calculate the average number of students that chose the lion for the mascot?
Mathematics
2 answers:
Elis [28]3 years ago
7 0

Answer:

B: 27

Step-by-step explanation: got it right on edg 2020

JulijaS [17]3 years ago
3 0
The answer is 20/72 = x/480. This is because you have to add the numbers for the first sample to find the sample size and then make a ratio to determine the answer if the sample size increases to 480.
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Answer:

D

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notka56 [123]
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.764 as a percent .​
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In a sample of 35 high school seniors, 14 of them are attending college in the fall. Find the 95% confidence interval for the tr
kati45 [8]

Answer:

Between 23.77% and 56.23%

Step-by-step explanation:

On your TI-84

Press STAT

Use right arrow to scroll over to highlight TESTS

Use down arrow to scroll down to A:1-PropZInt...

Press ENTER

Make the screen read

x:14  

n:35

C-Level:0.95

Calculate

highlight  Calculate

Press ENTER

See this:

(.2377,.5623)

p(hat)=.4

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The confidence interval is 0.2377 < p < 0.5623

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7 0
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